I gotta go the other way and say nineball.........
In nineball if you make the game ball off the break you win, in eightball it's a re-rack or it's simply spotted. It doesn't happen often, but when it does, it's nice to benefit from it so........
Advantage nineball.
In nineball you can "push out" if you break, sink a ball and are somehow angled or can't get a line on the lowest numbered ball. In eightball I've been hooked right off the break by getting the cueball frozen against another ball, surrounded by the opposite lot I wish to play, or worse yet angled in the pocket. This usually spells trouble so........
Advantage nineball.
In nineball you can "combo" or "fluke" the game ball. In eightball you must contact the game ball first and pot it in your designated pocket so.......
Advantage nineball.
In nineball you don't have to call your shots, so if that bank shot into the bottom side turns into a bank into the top side, you still get to stay at the table. In eightball, you pot your ball in the wrong pocket, your turn is up......
Advantage nineball.
In nineball if your opponent scratches off the break, you get ball in hand from anywhere on the table. In eightball you have to play from behind the headstring and you must shoot up table..........
Advantage nineball.
In nineball you start with six less balls on the table. Less balls means less obstructions. Less obstructions means easier to roll around the table.......
Advantage nineball.
In nineball you benefit directly from your opponents miss if they leave a ball hanging in the pocket. In eightball, a ball blocking a pocket can spell trouble if you don't plan around them and can't play through them so........
Advantage nineball.
I've probably run more racks of eightball than nineball, but there are way more opportunities to steal a win out of a game of nineball early. In a race to five, there'll be mistakes, nineball lets you get away with a lot if lady luck favors your game. Just my humble opinion.